Package org.eclipse.jgit.internal.ketch

Class LeaderSnapshot

java.lang.Object

org.eclipse.jgit.internal.ketch.LeaderSnapshot

public class LeaderSnapshot
extends java.lang.Object

A snapshot of a leader and its view of the world.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) LogIndex	committedIndex
(package private) LogIndex	headIndex
(package private) boolean	idle
(package private) java.util.List<ReplicaSnapshot>	replicas
(package private) KetchLeader.State	state
(package private) long	term

Constructor Summary

Constructors

Constructor	Description
LeaderSnapshot()

Method Summary

Modifier and Type	Method	Description
private static void	debug(java.lang.StringBuilder s, java.lang.String name, ObjectId accepted, ObjectId committed)
private static void	debug(java.lang.StringBuilder b, ReplicaSnapshot s)
LogIndex	getCommitted()	Get state the leader knows is committed on a majority of participant replicas
LogIndex	getHead()	Get end of the leader's log
java.util.Collection<ReplicaSnapshot>	getReplicas()	Get unmodifiable view of configured replicas.
KetchLeader.State	getState()	Get current state of the leader.
long	getTerm()	Get term of this leader
boolean	isIdle()	Whether the leader is not running a round to reach consensus, and has no rounds queued.
(package private) static java.lang.String	str(ObjectId c)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

replicas

final java.util.List<ReplicaSnapshot> replicas

state

KetchLeader.State state

term

long term

headIndex

LogIndex headIndex

committedIndex

LogIndex committedIndex

idle

boolean idle

Constructor Detail

LeaderSnapshot

LeaderSnapshot()

Method Detail

getReplicas

public java.util.Collection<ReplicaSnapshot> getReplicas()

Get unmodifiable view of configured replicas.

Returns:

unmodifiable view of configured replicas.

getState

public KetchLeader.State getState()

Get current state of the leader.

Returns:

current state of the leader.

isIdle

public boolean isIdle()

Whether the leader is not running a round to reach consensus, and has no rounds queued.

Returns:

true if the leader is not running a round to reach consensus, and has no rounds queued.

getTerm

public long getTerm()

Get term of this leader

Returns:

term of this leader. Valid only if getState() is currently KetchLeader.State.LEADER.

getHead

@Nullable
public LogIndex getHead()

Get end of the leader's log

Returns:

end of the leader's log; null if leader hasn't started up enough to begin its own election.

getCommitted

@Nullable
public LogIndex getCommitted()

Get state the leader knows is committed on a majority of participant replicas

Returns:

state the leader knows is committed on a majority of participant replicas. Null until the leader instance has committed a log index within its own term.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

debug

private static void debug(java.lang.StringBuilder b,
                          ReplicaSnapshot s)

debug

private static void debug(java.lang.StringBuilder s,
                          java.lang.String name,
                          ObjectId accepted,
                          ObjectId committed)

str

static java.lang.String str(ObjectId c)